A157400 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 2 |
| | | | | | | | 1 | | 6 | | 6 |
| | | | | | | 1 | | 24 | | 24 | | 24 |
| | | | | | 1 | | 80 | | 180 | | 120 | | 120 |
| | | | | 1 | | 330 | | 1200 | | 1080 | | 720 | | 720 |
| | | | 1 | | 1302 | | 7770 | | 10920 | | 7560 | | 5040 | | 5040 |
| | | 1 | | 5936 | | 57456 | | 102480 | | 87360 | | 60480 | | 40320 | | 40320 |
| | 1 | | 26784 | | 438984 | | 970704 | | 1103760 | | 786240 | | 544320 | | 362880 | | 362880 |
|
A157400 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 6 | 24 | 80 | 330 | 1302 | 5936 | 26784
| 6 | 24 | 180 | 1200 | 7770 | 57456 | 438984
| 24 | 120 | 1080 | 10920 | 102480 | 970704
| 120 | 720 | 7560 | 87360 | 1103760
| 720 | 5040 | 60480 | 786240
| 5040 | 40320 | 544320
| 40320 | 362880
| 362880
|
A157400 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 6 | 24 | 80 | 330 | 1302 | 5936 | 26784
| | | 6 | 24 | 180 | 1200 | 7770 | 57456 | 438984
| | | | 24 | 120 | 1080 | 10920 | 102480 | 970704
| | | | | 120 | 720 | 7560 | 87360 | 1103760
| | | | | | 720 | 5040 | 60480 | 786240
| | | | | | | 5040 | 40320 | 544320
| | | | | | | | 40320 | 362880
| | | | | | | | | 362880
|
|